wlan0     Scan completed :
          Cell 01 - Address: 00:15:62:BC:28:30
                    ESSID:"etudiants"
                    Mode:Master
                    Channel:2
                    Frequency:2.417 GHz (Channel 2)
                    Quality=90/100  Signal level:-41 dBm  Noise level=-127 dBm
                    Encryption key:on
                    IE: Unknown: 00096574756469616E7473
                    IE: Unknown: 010882848B0C12961824
                    IE: Unknown: 030102
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 851E000081000F00FF031900776966692D7265732D303900000000000A000025
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: DD06004096010100
                    IE: Unknown: DD050040960304
                    IE: Unknown: DD050040960B01
                    IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                              11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=00000f65d9500454
                    Extra: Last beacon: 660ms ago